Home / 66,350.56-91,554.24-47,279.92

Finding the Fourth Proportional to 66,350.56, 91,554.24 and 47,279.92

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Solution

The fourth proportional to 66,350.56, 91,554.24 and 47,279.92 is: 65,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,350.56 : 91,554.24 = 47,279.92 : x
  2. Step 2: Convert to fraction form
    66,350.56/91,554.24 = 47,279.92/x
  3. Step 3: Cross multiply
    66,350.56x = 91,554.24 × 47,279.92
  4. Step 4: Simplify right side
    66,350.56x = 4,328,677,142.86
  5. Step 5: Solve for x
    x = 4,328,677,142.86/66,350.56
  6. Step 6: Final answer
    x = 65,239.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.